1. Burns G.W., Ripple D.C., Battuello M. (1998). Metrologia 35, 761
2. F. Edler, M. Nau, Proceedings of EUROMET Workshop Temperature (Paris, 1998), pp. 85–89
3. G.W. Burns, D.C. Ripple, in Proceedings of TEMPMEKO 2001, 8th International Symposium on Temperature and Thermal Measurements in Industry and Science, ed. by B. Fellmuth, J. Seidel, G. Scholz (VDE Verlag, Berlin, 2002), pp. 61–66
4. Hill K.D. (2002). Metrologia 39, 51
5. H. Ogura, H. Numajiri, K. Yamazawa, J. Tamba, M. Izuchi, M. Arai, in Temperature: Its Measurement and Control in Science and Industry, vol. 7, ed. by D. C. Ripple (AIP, New York, 2003), pp. 485–489